12186747474 has 16 divisors (see below), whose sum is σ = 26589267360. Its totient is φ = 3692953760.

The previous prime is 12186747437. The next prime is 12186747479. The reversal of 12186747474 is 47474768121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12186747479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92323779 + ... + 92323910.

It is an arithmetic number, because the mean of its divisors is an integer number (1661829210).

Almost surely, 2^12186747474 is an apocalyptic number.

12186747474 is an abundant number, since it is smaller than the sum of its proper divisors (14402519886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12186747474 is a wasteful number, since it uses less digits than its factorization.

12186747474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184647705.

The product of its digits is 2107392, while the sum is 51.

The spelling of 12186747474 in words is "twelve billion, one hundred eighty-six million, seven hundred forty-seven thousand, four hundred seventy-four".